CVE-2026-3184: Util-linux: util-linux: access control bypass due to improper hostname canonicalization

Overview

Severity
Low (CVSS 3.7)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-07
Last Updated
2026-05-01
EPSS Score
0.09% (percentile: 26.0%)

Affected Products (3)

Open Source Software

  • cbl2 util-linux 2.37.4-10 on CBL Mariner 2.0
  • azl3 util-linux 2.40.2-3 on Azure Linux 3.0
  • azl3 util-linux 2.40.2-4 on Azure Linux 3.0

Revision History

  • 2026-04-07: Information published.
  • 2026-04-14: Information published.
  • 2026-04-14: Information published.
  • 2026-05-01: Information published.